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4a9265878e
[ Upstream commit f848bfd8e1 ]
Sometimes during connection recovery when there is a failure to resolve
ARP, and offload connection was not issued, driver tries to flush pending
offload connection work which was not queued up.
kernel: WARNING: CPU: 19 PID: 10110 at kernel/workqueue.c:3030 __flush_work.isra.34+0x19c/0x1b0
kernel: CPU: 19 PID: 10110 Comm: iscsid Tainted: G W 5.1.0-rc4 #11
kernel: Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 2.9.1 12/04/2018
kernel: RIP: 0010:__flush_work.isra.34+0x19c/0x1b0
kernel: Code: 8b fb 66 0f 1f 44 00 00 31 c0 eb ab 48 89 ef c6 07 00 0f 1f 40 00 fb 66 0f 1f 44 00 00 31 c0 eb 96 e8 08 16 fe ff 0f 0b eb 8d <0f> 0b 31 c0 eb 87 0f 1f 40 00 66 2e 0f 1
f 84 00 00 00 00 00 0f 1f
kernel: RSP: 0018:ffffa6b4054dba68 EFLAGS: 00010246
kernel: RAX: 0000000000000000 RBX: ffff91df21c36fc0 RCX: 0000000000000000
kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff91df21c36fc0
kernel: RBP: ffff91df21c36ef0 R08: 0000000000000000 R09: 0000000000000000
kernel: R10: 0000000000000038 R11: ffffa6b4054dbd60 R12: ffffffffc05e72c0
kernel: R13: ffff91db10280820 R14: 0000000000000048 R15: 0000000000000000
kernel: FS: 00007f5d83cc1740(0000) GS:ffff91df2f840000(0000) knlGS:0000000000000000
kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 0000000001cc5000 CR3: 0000000465450002 CR4: 00000000001606e0
kernel: Call Trace:
kernel: ? try_to_del_timer_sync+0x4d/0x80
kernel: qedi_ep_disconnect+0x3b/0x410 [qedi]
kernel: ? 0xffffffffc083c000
kernel: ? klist_iter_exit+0x14/0x20
kernel: ? class_find_device+0x93/0xf0
kernel: iscsi_if_ep_disconnect.isra.18+0x58/0x70 [scsi_transport_iscsi]
kernel: iscsi_if_recv_msg+0x10e2/0x1510 [scsi_transport_iscsi]
kernel: ? copyout+0x22/0x30
kernel: ? _copy_to_iter+0xa0/0x430
kernel: ? _cond_resched+0x15/0x30
kernel: ? __kmalloc_node_track_caller+0x1f9/0x270
kernel: iscsi_if_rx+0xa5/0x1e0 [scsi_transport_iscsi]
kernel: netlink_unicast+0x17f/0x230
kernel: netlink_sendmsg+0x2d2/0x3d0
kernel: sock_sendmsg+0x36/0x50
kernel: ___sys_sendmsg+0x280/0x2a0
kernel: ? timerqueue_add+0x54/0x80
kernel: ? enqueue_hrtimer+0x38/0x90
kernel: ? hrtimer_start_range_ns+0x19f/0x2c0
kernel: __sys_sendmsg+0x58/0xa0
kernel: do_syscall_64+0x5b/0x180
kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.